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From "Rob Tompkins (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (TEXT-43) [XSS] StringEscapeUtils.escapeHtml() must escape ' chars to &#39;
Date Fri, 19 May 2017 15:45:04 GMT

     [ https://issues.apache.org/jira/browse/TEXT-43?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rob Tompkins updated TEXT-43:
-----------------------------
    Fix Version/s:     (was: 1.1)
                   1.x

> [XSS] StringEscapeUtils.escapeHtml() must escape ' chars to &#39; 
> ------------------------------------------------------------------
>
>                 Key: TEXT-43
>                 URL: https://issues.apache.org/jira/browse/TEXT-43
>             Project: Commons Text
>          Issue Type: Improvement
>         Environment: Operating System: All
> Platform: All 
>            Reporter: Keisuke Kato
>            Priority: Minor
>             Fix For: 1.x
>
>
> If developers putting untrusted data into attribute values using the single quote character
' and StringEscapeUtils.escapeHtml() like:
> <input type='text' name='input' value=*'<%=StringEscapeUtils.escapeHtml(request.getParameter("input"))%>'*>
> Then, the attacker is able to break out of the HTML attribute context like:
> hxxp://example.org/?input=*' onfocus='alert(document.cookie);' id='*
> <input type='text' name='input' value='*'onfocus='alert(document.cookie);'id='*'>
> I think [LANG\-122|https://issues.apache.org/jira/browse/LANG-122] is not truly fixed
from this aspect (XSS).



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